Sinocure Chemical Group Co.,Ltd.

Cationic photoinitiator

Sinocure® CAT-551 – New product

SINOCURE® CAT-551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365/385/395nm and can be used for LED curing.

Compared with the ITX structure in SINOCURE® CAT-550, the DETX structure in SINOCURE® CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnicat 550.

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SINOCURE®CAT-551

Synonym: 10-(4-Biphenylyl)-2,4-Diethylthioxanthone-10- sulfonium hexafluorophosphate
CAS No: 591773-90-9
Molecular Formula: C29H25OS.PF6
Molecular Structure:

Omnirad 550 alternative Irgacure 550
General Information:
SINOCURE® CAT-551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365/385/395nm and can be used for LED curing.

Compared with the ITX structure in SINOCURE® CAT-550, the DETX structure in SINOCURE® CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnicat 550.

Specification:

Appearance Yellow crystal powder
Purity ≥98%
Melting point 190-200℃
Volatile Matter ≤0.5%

Usage:

Cationic printing inks and overprint varnishes for special applications such as can coatings, coil coatings and pharmaceutical packaging.

UV Absorption Spectrum :

Package:

1KG/BAG

Storage:

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.

Details

Chemical Name

10-(4-Biphenylyl)-2,4-Diethylthioxanthone-10- sulfonium hexafluorophosphate

CAS No.

91773-90-9

Molecular Formula

C29H25OS.PF6

Assay

98%min

Package

1KG/BAG,20kgs/carton

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